稳定CI测试并发与工作流

为Project CI增加同分支并发取消，避免旧运行覆盖新结果

将Vitest默认线程数固定为1，降低异步UI测试竞态

.gitea/workflows/project-ci.yml

@@ -7,6 +7,10 @@ on:
   pull_request:
   workflow_dispatch:
 
+concurrency:
+  group: project-ci-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
 permissions:
   contents: read
 

vitest.config.ts

@@ -68,7 +68,7 @@ export default defineConfig({
     environment: 'node',
     globals: true,
     minThreads: 1,
-    maxThreads: 8,
+    maxThreads: 1,
     server: {
       deps: {
         inline: [